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Section 4 Monitoring Faults

Vocabulary:

There are not any vocabulary in this section

outline

Introduction

There are no patteren for earthquakes

Devices that Monitor Faults

Creep meters
- it measures horizontal movement
Laser Ranging Device
- it detects even small moverments
- it can also detects any change in distance to the reflector
Tiltmeters
- measures tilting of ground by using water
Satellite Monitors
- a radar that makes fault pictures

Monitoring Risk In the United States

Earthquake risk can be determined
- by looking at active faults and past earthquakes